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Top Forums Shell Programming and Scripting Other alternative for joining together columns from multiple files Post 302666041 by ida1215 on Tuesday 3rd of July 2012 02:56:31 PM
Old 07-03-2012
Paste is very convenient if i do few files. Or is there a possibility to use paste inside a loop, and if so whats the right way to do it. Many thanks.
This is how i manually do it, any suggestion to optimize this?thanks again.
Code:
paste file1.txt file2.txt file3.txt... file120.txt  > allfile.txt


Last edited by ida1215; 07-03-2012 at 04:04 PM..
 

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PASTE(1)						      General Commands Manual							  PASTE(1)

NAME
paste - paste multiple files together SYNOPSIS
paste [-s] [-d list] file... OPTIONS
-d Set delimiter used to separate columns to list. -s Print files sequentially, file k on line k. EXAMPLES
paste file1 file2 # Print file1 in col 1, file2 in col 2 paste -s f1 f2 # Print f1 on line 1 and f2 on line 2 paste -d : file1 file2 # Print the lines separated by a colon DESCRIPTION
Paste concatenates corresponding lines of the given input files and writes them to standard output. The lines of the different files are separated by the delimiters given with the option -s. If no list is given, a tab is substituted for every linefeed, except the last one. If end-of-file is hit on an input file, subsequent lines are empty. Suppose a set of k files each has one word per line. Then the paste output will have k columns, with the contents of file j in column j. If the -s flag is given, then the first file is on line 1, the second file on line 2, etc. In effect, -s turns the output sideways. If a list of delimiters is given, they are used in turn. The C escape sequences , , \, and are used for linefeed, tab, backslash, and the null string, respectively. PASTE(1)
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